Tire attachment.



PATENTED FEB 25, 1908] E. COLLIN).

TIRE ATTACHE/KEN)?= APPLICATION FILED SEPT. 13, 1907,

ghwmxfoz 25f tire. '6. The band is triangul EDWARD co LINs. or KALAKA, MONTANA.

TIRE ATTACHIENT.

Specification of Letters Patent.

Patented Feb. 25, 1908.

Application filed September 13. 1907. Serial No. 392.764.

To all whomplt may concern:

- Be it knownthat I, EDWARD COLLINS, a citizen of the United States, residing at Ekalaka, in thecounty of Custer and State of Montana, have invented certain new and.

frozen groundfand it has Tor its object -to.

provide a device of this kind embodying simplicity of construction and also one which can be readily attached to and removed from-the tire.

In the accompanying drawing, Figure 1 is,

'an elevation of a vehicle wheel showing the ap lication of the invention. Fig. 2 is an e arged sectional view on the line 22 of f rring s ecifically to the drawing, 5 deotes -an or inary vehicle wheel provided I h the usual fiat metallic tire 6. .The attachment comprises a metallic band Y. fitting on and completely encircling the ar in cross sec- 1 ti cjn with its base next to the tread of the tire "and its apex outwardly presented to form a cutting edge which is concentric to the tire 6. The band 7 is secured to the tire 3o 6;by means of bolts 8, the heads 9 of which fit in recesses or notches 10 made in the apex of the band. The bolt-heads are also triangular in cross section so that they will extend flush with the apex and the sides of the i band. The continuity of the cutting edge of the band is therefore not interrupted. The bolts pass through the band and extend into holes 11 made in the tire 6. Only that portion of the bolt which passes through the and is threaded, The bolts are locked against turning .by pins 12, driven between the bolt heads and the band. The bolt heads 9 are rounded at their ends and the walls-of the notches are shaped accordingly, so that the heads may turn therein. The attachment herein described can be readily put on and taken ofl the tire, and by reason of its simplicity of construction it can be cheaply produced. The cutting edge of the band readily penetrates the ice or frozen ground, and effectually prevents slipping of the wheel.

I claim An attachment for vehicle tires comprising a band encircling the tire, said band being triangular in cross section with its apex notched and outwardly presented, and iastening bolts passing through the band into the tire, said bolts having their heads fitting in the notches in the band, and shaped to extend flush with the apex and the sides of the band. a

- In testimony whereof I afiix my signature,

in presence of two witnesses.

EDWARD COLLINS.

Witnesses:

W. FREESE, M. O. TRACY. 

